Omni-channel customer engagement and messaging automation platform (alternative to Braze, Customer.io, Iterable).
Self-hostedOpen sourceAutomationCommunication - Email - Mailing Lists and Newsletters
3,026MITDockerupdated Oct 2026
L
Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON.
Self-hostedOpen sourceSoftware Development - IDE & Tools
3,016Apache-2.0Nodejsupdated Oct 2026
K
Modular SIP server (registrar/proxy/router/etc).
Self-hostedOpen sourceCommunication - SIP
2,982GPL-2.0Cupdated Oct 2026
O
Share sensitive information securely with self-destructing links that are only viewable once.
Self-hostedOpen sourceCommunication - Custom Communication Systems
2,977MITRubyupdated Oct 2026
Keep track of your inventory of 3D-printer filament spools.
Self-hostedOpen sourceInventory ManagementManufacturing
2,951MITPythonupdated Oct 2026
Nextcloud preinstalled and preconfigured, with a text and web management interface and all the tools needed to self host private data. With installation images for Raspberry Pi, Odroid, Rock64, Docker, and a curl installer for Armbian/Debian.
Self-hostedOpen sourceSelf-hosting Solutions
2,949GPL-2.0Shellupdated Jun 2026
Helps caregivers track baby sleep, feedings, diaper changes, and tummy time.
Self-hostedOpen sourceMiscellaneous
2,932BSD-2-ClausePythonupdated Oct 2026
Lightweight server to share files, which expire after a set amount of downloads or days. Similar to the discontinued Firefox Send, with the difference that only the admin is allowed to upload files.
Self-hostedOpen sourceFile Transfer - Single-click & Drag-n-drop Upload
2,926GPL-3.0Goupdated Oct 2026
Web-based vehicle maintenance and fuel mileage tracker.
Self-hostedOpen sourceMiscellaneous
2,922MITC#updated Oct 2026
Z
A production-ready vendor-neutral OCI-native container image registry.
Self-hostedOpen sourceFile Transfer - Object Storage & File Servers
2,919Apache-2.0Goupdated Oct 2026
T
Vector and raster maps with GL styles. Server side rendering by Mapbox GL Native. Map tile server for Mapbox GL JS, Android, iOS, Leaflet, OpenLayers, GIS via WMTS, etc.
Self-hostedOpen sourceMaps and Global Positioning System (GPS)
2,915BSD-2-ClauseNodejsupdated Oct 2026
Knowledgebase platform that uses static Markdown files.
Self-hostedOpen sourceWikis
2,904MITNodejsupdated Mar 2026
Collaborative project to create a free editable map of the world.
Self-hostedOpen sourceMaps and Global Positioning System (GPS)
2,867GPL-2.0Rubyupdated Oct 2026
Suite of 200+ web tools for converting and editing images, videos, audio and PDFs, including a layer-based image editor, OCR, transcription, background removal and batch processing pipelines (alternative to SmallPDF, iLovePDF, CloudConvert).
Self-hostedOpen sourceDocument Management
2,865AGPL-3.0Dockerupdated Oct 2026
Markdown note-taking app with plain-file storage, graph view, and MCP integration (alternative to Obsidian, Notion).
Self-hostedOpen sourceNote-taking & EditorsKnowledge Management Tools
2,851MITPythonupdated Oct 2026
Syncs YouTube channels and playlists to a locally hosted media server.
Self-hostedOpen sourceMedia Management
2,809AGPL-3.0Pythonupdated Oct 2026
M
Daemon to remotely play music, stream music, handle and organize playlists. Many clients available.
Self-hostedOpen sourceMedia Streaming - Audio Streaming
2,807GPL-2.0C++updated Oct 2026
Social network for tracking your reading, talking about books, writing reviews, and discovering what to read next.
Self-hostedFreeDocument Management - E-books
2,806ProprietaryPythonupdated Oct 2026
File uploader service that aims to to be easy to use and set up. It accepts files, photos, documents, anything you imagine and gives you back a shareable link for you to send to others.
Self-hostedOpen sourceFile Transfer - Single-click & Drag-n-drop Upload
2,803MITNodejsupdated Oct 2026
M
Fully featured modern forum application that is fast, scalable and responsive.
Self-hostedOpen sourceCommunication - Social Networks and Forums
2,781GPL-2.0Dockerupdated Oct 2026
O
Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems.
Self-hostedOpen sourceMaps and Global Positioning System (GPS)
2,766LGPL-3.0Javaupdated Oct 2026
A fast, free and open source comics, manga and digital book server with OPDS support.
Self-hostedOpen sourceDocument Management - E-books
2,761MITRustupdated Oct 2026
Music browsing and streaming application optimized for large music collections, ease of use and high performance.
Self-hostedOpen sourceMedia Streaming - Audio Streaming
2,730MITRustupdated Oct 2026
T
High-performance and feature-rich chat server for Matrix, and the successor to conduwuit (fork of Conduit).
Self-hostedOpen sourceCommunication - Custom Communication Systems
2,700Apache-2.0Rustupdated Oct 2026
T
Distributed, secure messenger with audio and video chat capabilities.
Self-hostedOpen sourceCommunication - Custom Communication Systems
2,696GPL-3.0Cupdated Oct 2026
Task and chore management tool for personal and family use, with advanced scheduling, flexible assignment, and group sharing capabilities, detailed history, automation via API, simple and modern design.
Self-hostedOpen sourceTask Management & To-do Lists
2,684AGPL-3.0Goupdated Oct 2026
Stoat is a user-first chat platform built with modern web technologies.
Self-hostedOpen sourceCommunication - Custom Communication Systems
2,679AGPL-3.0Rustupdated Oct 2026
M
Automated music mastering (alternative to LANDR, eMastered and MajorDecibel).
Self-hostedOpen sourceAutomation
2,674GPL-3.0Dockerupdated Oct 2026
Web Whiteboard to collaborate in real-time on schemas, drawings, and notes.
Self-hostedOpen sourceCommunication - Custom Communication Systems
2,674AGPL-3.0Nodejsupdated Oct 2026
C
Web interface for CNC milling controllers running Grbl, Smoothieware, or TinyG.
Self-hostedOpen sourceManufacturing
2,660MITNodejsupdated Sept 2026